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2. Health effects of tobacco - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_tobacco

   This is an accepted version of this page This is the latest accepted revision, reviewed on 7 January 2025. Circumstances, mechanisms, and factors of tobacco consumption on human health "Health effects of smoking" and "Dangers of smoking" redirect here. For cannabis, see Effects of cannabis. For smoking crack cocaine, see Crack cocaine § Health issues. "Smoking and health" redirects here. For ...

3. Lightheadedness - Wikipedia

   en.wikipedia.org/wiki/Lightheadedness

   Lightheadedness often accompanies the flu, hypoglycaemia, common cold, or allergies. Dizziness could be provoked by the use of antihistamine drugs, like levocetirizine, or by some antibiotics or SSRIs. Nicotine or tobacco products can cause lightheadedness for inexperienced users. Narcotic drugs, such as codeine, can also cause lightheadedness.

4. Nicotine withdrawal - Wikipedia

   en.wikipedia.org/wiki/Nicotine_withdrawal

   The symptoms of nicotine withdrawal usually appear 2–3 hours after last intake of nicotine and peak in 2–3 days. [1] In a minority of smokers, cravings may persist for years. Nicotine withdrawal itself does not cause significant physical symptoms and is not life-threatening.

5. Disturbing video shows what your lungs look like after ... - AOL

   www.aol.com/news/2016-07-26-disturbing-video...

   6.5 years = 2,374 days and 56,976 hours, or 3,418,560 minutes. 5,772 cigarettes per year for 54 years = 311,688 cigarettes. 3,418,560/311,688=11 minutes per cigarette.

6. Smoking’s effects on the immune system can last years ... - AOL

   www.aol.com/smoking-effects-immune-system-last...

   Smoking tobacco is so harmful to the body that it changes a person’s immune system, leaving them vulnerable to more disease and infection even years after they’ve quit, a new study found.

7. Quitting smoking abruptly has best long-term results - AOL

   www.aol.com/news/2016-03-14-quitting-smoking...

   People who quit smoking all at once are more likely to be successful than those who cut down on cigarettes gradually, according to a new study. Quitting smoking abruptly has best long-term results ...

8. Nicotine poisoning - Wikipedia

   en.wikipedia.org/wiki/Nicotine_poisoning

   The LD 50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5–1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children. [19] [20] However the widely used human LD 50 estimate of 0.5–1.0 mg/kg was questioned in a 2013 review, in light of several documented cases of humans surviving much higher doses; the 2013 review suggests that the lower limit causing fatal ...

9. Vaping — Even Without Nicotine — Has an Immediate Negative ...

   www.aol.com/vaping-even-without-nicotine...

   It's another reason to stop vaping in the new year. According to research, vaping, like smoking, has an immediate negative effect on the user’s blood flow — even if the vape does not contain ...